/*

 * Copyright (C) 2020-2022 Huawei Technologies Co., Ltd. All rights reserved.

 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huaweicloud.governance;

import java.util.List;

import org.apache.servicecomb.governance.handler.ext.AbstractRetryExtension;

public class SpringCloudRetryExtension extends AbstractRetryExtension {
  private final List<StatusCodeExtractor> statusCodeExtractors;

  public SpringCloudRetryExtension(List<StatusCodeExtractor> statusCodeExtractors) {
    this.statusCodeExtractors = statusCodeExtractors;
  }

  @Override
  protected String extractStatusCode(Object response) {
    if (response instanceof Integer) {
      return String.valueOf((int) response);
    }

    if (statusCodeExtractors != null) {
      for (StatusCodeExtractor statusCodeExtractor : statusCodeExtractors) {
        if (statusCodeExtractor.canProcess(response)) {
          return statusCodeExtractor.extractStatusCode(response);
        }
      }
    }

    return "0";
  }
}
